Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/3/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 09/04/2025 23:22:09 74.74, 176.46 68.25 09/04/2025 23:23:17 74.63, 178.56 68.00 63.14 68
2 09/05/2025 00:12:42 -74.19, -14.78 112.36 09/05/2025 00:12:46 -74.20, -14.76 112.36 1.24 4
3 09/05/2025 01:03:20 73.82, 153.45 67.24 09/05/2025 01:02:09 73.90, 152.27 67.40 37.93 71
4 09/07/2025 09:43:45 -74.62,-158.61 111.00 09/07/2025 09:44:55 -74.51,-157.17 111.21 44.58 70
5 09/07/2025 10:34:22 74.20, 9.78 68.55 09/07/2025 10:34:18 74.21, 9.82 68.55 1.33 4
6 09/07/2025 11:24:57 -73.74, 178.22 111.96 09/07/2025 11:23:47 -73.79, 176.57 111.80 51.59 70
7 09/09/2025 20:05:19 74.35,-133.32 69.60 09/09/2025 20:06:30 74.31,-133.04 69.53 9.19 71
8 09/09/2025 20:56:00 -74.18, 34.42 110.58 09/09/2025 20:55:53 -74.21, 34.39 110.55 3.41 7
9 09/12/2025 06:26:56 -74.28,-108.55 109.57 09/12/2025 06:28:05 -74.29,-108.55 109.58 0.16 69
10 09/12/2025 07:17:40 74.22, 58.93 70.38 09/12/2025 07:17:23 74.23, 59.01 70.39 2.87 17
11 09/14/2025 16:48:35 74.28, -83.96 71.36 09/14/2025 16:49:35 74.26, -84.03 71.32 3.04 60
12 09/14/2025 17:39:18 -74.21, 83.55 108.72 09/14/2025 17:38:57 -74.22, 83.54 108.70 1.56 21
13 09/17/2025 03:10:13 -74.28, -59.35 107.73 09/17/2025 03:11:08 -74.27, -59.45 107.75 3.26 55
14 09/17/2025 04:00:57 74.22, 108.12 72.22 09/17/2025 04:00:26 74.21, 108.09 72.22 1.34 31

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/3/2025
SNOs_Map_NOAA-20_TERRA_20250903.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/03/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA